Skin Conductance Reactivity as a Predictor of Stroke-Induced Posttraumatic Stress Disorder Symptoms: A Dimensional Approach

Table 3

Regression parameters for associations between skin conductance reactivity with higher-order fear, anxious arousal, and avoidance symptom dimensions when adjusting for relevant covariates.

Symptom dimension		95% CI		value
Higher-order fear symptoms
Age	0.07	[-0.03, 0.17]	.21	.162
Gender	0.79	[-1.63, 3.20]	.08	.514
Charlson Comorbidity Index	-0.16	[-0.93, 0.61]	-.05	.671
NIH stroke scale	-0.12	[-0.49, 0.26]	-.08	.536
Perceived threat during stroke/TIA	0.20	[-0.01, 0.40]	.25	.061
Acute posttraumatic stress disorder symptoms	0.25	[0.07, 0.43]	.40	.006
SC reactivity to recalling the stroke/TIA	1.15	[0.32, 1.99]	.36	.008
Lower-order anxious arousal symptoms
Age	0.03	[-0.01, 0.06]	.22	.112
Gender	0.55	[-0.32, 1.42]	.15	.212
Charlson Comorbidity Index	0.02	[-0.26, 0.29]	.01	.908
NIH stroke scale	0.03	[-0.10, 0.17]	.06	.610
Perceived threat during stroke/TIA	0.12	[0.04, 0.19]	.37	.003
Acute posttraumatic stress disorder symptoms	0.10	[0.03, 0.16]	.39	.004
SC reactivity to recalling the stroke/TIA	0.40	[0.09, 0.70]	.32	.011
Lower-order avoidance symptoms
Age	0.03	[-0.00, 0.06]	.29	.061
Gender	0.35	[-0.35, 1.05]	.13	.323
Charlson Comorbidity Index	0.07	[-0.16, 0.29]	.07	.553
NIH stroke scale	-0.01	[-0.12, 0.10]	-.02	.905
Perceived threat during stroke/TIA	0.02	[-0.04, 0.08]	.10	.459
Acute posttraumatic stress disorder symptoms	0.09	[0.03, 0.14]	.48	.002
SC reactivity to recalling the stroke/TIA	0.25	[0.00, 0.49]	.27	.047

Note: CI=confidence interval; SC=skin conductance; TIA=transient ischemic attack. value < .05.